All countries generally underestimated the proportion of overweight or obese population in their country. Saudi Arabia most significantly underestimated it with the average guess of 28 when the actual figure was 71. Korea’s average guess appeared to be 32 which was equivalent to the actual figure.
What percentage of the population do you think are immigrants in your country? The country with the highest average estimation was Argentina with 30% while the actual figure was shown to be 5. Korea’s average guess was 11 while the actual figure indicated 3.
The survey was conducted on 25,556 people across 33 countries via the Ipsos Online Panel system from October 1st ~ 16th, 2015 to gauge how accurate people are about key issues and features of the population in their country.